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SUSE Systemd Moderate Local Privilege Escalation Resolution 2026-23470

SUSE Systemd Moderate Local Privilege Escalation Resolution 2026-23470

Linuxsecurity LinuxSecurity Advisories September 9, 2026

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## This update for systemd fixes the following issue: Security issue fixed: * CVE-2026-16742: `systemd-homed`: local privilege escalation due to missing record signature verification on the authentication path (bsc#1271444). Non security issue fixed: * `systemd-resolved` fails to start due to write access to `tmpfs` denied (bsc#1237515).

## This update for systemd fixes the following issue: Security issue fixed: * CVE-2026-16742: `systemd-homed`: local privilege escalation due to missing record signature verification on the authentication path (bsc#1271444). Non security issue fixed: * `systemd-resolved` fails to start due to write access to `tmpfs` denied (bsc#1237515).

* CVE-2026-16742 ( SUSE ): 6.7 CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:H

* CVE-2026-16742 ( NVD ): 6.7 CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:H

* CVE-2026-29111 ( SUSE ): 6.8

CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N

* CVE-2026-29111 ( SUSE ): 5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

* CVE-2026-29111 ( NVD ): 5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

* CVE-2026-40226 ( SUSE ): 7.1

CVSS:4.0/AV:L/AC:H/AT:P/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

* CVE-2026-40226 ( SUSE ): 6.4 CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H

Announcement ID: SUSE-SU-2026:23470-1 Release Date: 2026-09-03T20:25:16Z Rating: moderate

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